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Mitosis vs Meiosis — Key Differences Explained

Mitosis produces two identical daughter cells for growth and repair. Meiosis produces four genetically unique cells for sexual reproduction. Mitosis has one division; meiosis has two.

Comparison Table

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Key differences between Mitosis and Meiosis by feature.
FeatureMitosisMeiosis
Number of divisions12 (meiosis I and II)
Daughter cells produced24
Chromosome numberSame as parent (diploid → diploid)Halved (diploid → haploid)
Genetic variationNo — daughter cells are identicalYes — crossing over and independent assortment
Where it occursSomatic (body) cellsGerm cells (gonads)
PurposeGrowth, repair, asexual reproductionProduction of gametes (sex cells)
Crossing overDoes not occurOccurs in prophase I
Homologous pairingNoYes (in meiosis I)
StagesProphase, Metaphase, Anaphase, TelophaseSame stages, but twice (I and II)

Similarities

  • =Both are types of cell division
  • =Both involve DNA replication before division begins (in S phase)
  • =Both go through prophase, metaphase, anaphase, and telophase
  • =Both require energy (ATP)
  • =Both involve spindle fiber formation

Memory Trick

MITosis = MITts (two identical things). MEIosis = ME + I → making unique individuals (gametes for reproduction). Mitosis = same, Meiosis = mix.

Exam Focus

NEET asks 1-2 MCQs on cell division differences every year. CBSE boards commonly ask a 3-mark tabular comparison. Always include: number of divisions, daughter cells, chromosome number, genetic variation, and purpose. If asked for a diagram, draw the key difference in anaphase (sister chromatids separate in mitosis; homologous pairs separate in meiosis I).

Related Topics

Frequently Asked Questions

Which type of cell division produces identical cells?
Mitosis produces two genetically identical daughter cells. Meiosis produces four genetically unique cells.
Where does meiosis occur in the human body?
Meiosis occurs in the gonads — testes in males (producing sperm) and ovaries in females (producing eggs/ova).
Why is crossing over important in meiosis?
Crossing over exchanges genetic material between homologous chromosomes during prophase I. This creates new combinations of alleles, increasing genetic diversity in offspring — which is essential for evolution and adaptation.

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